Sheryl and Berry Allen talk to the media prior to hiking Chautauqua to search for signs of their missing son Berry "Tyler" Allen in Boulder, Colorado. Photo by Mark Leffingwell Staff Photographer April 22, 2015

Sheryl and Berry Allen talk to the media prior to hiking Chautauqua to search for signs of their missing son Berry "Tyler" Allen in Boulder, Colorado. Photo by Mark Leffingwell Staff Photographer April 22, 2015

Sheryl and Berry Allen talk to the media prior to hiking Chautauqua to search for signs of their missing son Berry "Tyler" Allen in Boulder, Colorado. Photo by Mark Leffingwell Staff Photographer April 22, 2015